When to Plant Lantana in Port Washington, WI

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when to plant lantana is to use the USDA zone info for Port Washington.


Planting Calendar for Lantana

Frost tolerance for lantana: Not tolerant of frost.
When to plant: After the last frost has passed.

It's a bad idea to plant lantana until after the last frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lantana
Possibly ok, but a risky time to plant lantana
Probably not a good time to plant lantana

The earliest that you can plant lantana in Port Washington is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant lantana and expect a good harvest is probably August. If you wait any later than that and your lantana may not have a chance to grow to maturity. Starting your lantana indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Port Washington. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Port Washington is an average the actual date of last frost will vary from year to year. Since half of the time in Port Washington you get surprised by a frost after April 15 be ready to cover your lantana in the event of a late frost.

USDA Zone Info for Port Washington

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Port Washington

You may be interested in your other planting guides for Port Washington.